local M = {
  'nvim-neo-tree/neo-tree.nvim',
  branch = 'v2.x',
  lazy = false,
  keys = {
    { '<Space>ft', [[<Cmd>Neotree toggle<CR>]],     desc = 'Toggle Neotree' },
    { '<Space>fr', [[<Cmd>Neotree reveal<CR>]],     desc = 'Reveal current file in Neotree' },
    { '<Space>gt', [[<Cmd>Neotree git_status<CR>]], desc = 'Neotree git status (Git Tree)' },
  },
  cmd = 'Neotree',
  dependencies = {
    'nvim-lua/plenary.nvim',
    'nvim-tree/nvim-web-devicons', -- not strictly required, but recommended
    'MunifTanjim/nui.nvim',
  },
}

function M.config()
  vim.g.neo_tree_remove_legacy_commands = 1

  require('neo-tree').setup({
    close_if_last_window = false, -- Close Neo-tree if it is the last window left in the tab
    popup_border_style = 'rounded',
    enable_git_status = true,
    enable_diagnostics = false,
    sort_case_insensitive = false, -- used when sorting files and directories in the tree
    sort_function = nil,           -- use a custom function for sorting files and directories in the tree
    -- sort_function = function (a,b)
    --       if a.type == b.type then
    --           return a.path > b.path
    --       else
    --           return a.type > b.type
    --       end
    --   end , -- this sorts files and directories descendantly
    event_handlers = {
      {
        event = 'neo_tree_window_after_open',
        handler = function(ev)
          vim.api.nvim_win_set_option(ev.winid, 'statusline', ' %{fnamemodify(getcwd(),":~")}')
        end,
      },
    },
    sources = {
      'filesystem',
      'buffers',
      'git_status',
      'document_symbols',
    },
    renderers = {
      directory = {
        { 'indent' },
        { 'icon' },
        { 'current_filter' },
        { 'name' },
        { 'clipboard' },
        { 'diagnostics',   errors_only = true },
      },
      file = {
        { 'indent' },
        { 'icon' },
        { 'diagnostics' },
        { 'modified' },
        { 'git_status' },
        {
          'name',
          use_git_status_colors = true,
          zindex = 10,
        },
        { 'clipboard' },
        { 'bufnr' },
      },
    },
    default_component_configs = {
      container = {
        enable_character_fade = true,
      },
      indent = {
        indent_size = 2,
        padding = 1, -- extra padding on left hand side
        -- indent guides
        with_markers = true,
        indent_marker = '│',
        last_indent_marker = '└',
        highlight = 'NeoTreeIndentMarker',
        -- expander config, needed for nesting files
        with_expanders = nil, -- if nil and file nesting is enabled, will enable expanders
        expander_collapsed = '',
        expander_expanded = '',
        expander_highlight = 'NeoTreeExpander',
      },
      icon = {
        folder_closed = '',
        folder_open = '',
        folder_empty = '󰜌',
        -- The next two settings are only a fallback, if you use nvim-web-devicons and configure default icons there
        -- then these will never be used.
        default = '*',
        highlight = 'NeoTreeFileIcon'
      },
      modified = {
        symbol = '[+]',
        highlight = 'NeoTreeModified',
      },
      name = {
        trailing_slash = false,
        use_git_status_colors = true,
        highlight = 'NeoTreeFileName',
      },
      git_status = {
        symbols = {
          -- Change type
          added     = '',  -- or "✚", but this is redundant info if you use git_status_colors on the name
          modified  = '',  -- or "", but this is redundant info if you use git_status_colors on the name
          deleted   = '',  -- this can only be used in the git_status source
          renamed   = '󰁕', -- this can only be used in the git_status source
          -- Status type
          untracked = '',
          ignored   = '',
          unstaged  = '󰄱',
          staged    = '',
          conflict  = '',
        },
      },
    },
    window = {
      position = 'left',
      width = 40,
      mapping_options = {
        noremap = true,
        nowait = true,
      },
      mappings = {
        ['<space>'] = {
          'toggle_node',
          nowait = false, -- disable `nowait` if you have existing combos starting with this char that you want to use
        },
        ['<2-LeftMouse>'] = 'open',
        ['<cr>'] = 'open',
        ['<esc>'] = 'revert_preview',
        ['P'] = { 'toggle_preview', config = { use_float = true } },
        ['S'] = 'open_split',
        ['s'] = 'open_vsplit',
        -- ["S"] = "split_with_window_picker",
        -- ["s"] = "vsplit_with_window_picker",
        ['t'] = 'open_tabnew',
        -- ["<cr>"] = "open_drop",
        -- ["t"] = "open_tab_drop",
        ['w'] = 'open_with_window_picker',
        --["P"] = "toggle_preview", -- enter preview mode, which shows the current node without focusing
        ['C'] = 'close_node',
        ['z'] = 'close_all_nodes',
        --["Z"] = "expand_all_nodes",
        ['a'] = {
          'add',
          -- some commands may take optional config options, see `:h neo-tree-mappings` for details
          config = {
            show_path = 'none' -- "none", "relative", "absolute"
          },
        },
        ['A'] = 'add_directory', -- also accepts the optional config.show_path option like "add".
        ['d'] = 'delete',
        ['r'] = 'rename',
        ['y'] = 'copy_to_clipboard',
        ['x'] = 'cut_to_clipboard',
        ['p'] = 'paste_from_clipboard',
        ['c'] = 'copy', -- takes text input for destination, also accepts the optional config.show_path option like "add":
        -- ["c"] = {
        --  "copy",
        --  config = {
        --    show_path = "none" -- "none", "relative", "absolute"
        --  }
        --}
        ['m'] = 'move', -- takes text input for destination, also accepts the optional config.show_path option like "add".
        ['q'] = 'close_window',
        ['R'] = 'refresh',
        ['?'] = 'show_help',
        ['<'] = 'prev_source',
        ['>'] = 'next_source',
      },
    },
    nesting_rules = {},
    filesystem = {
      filtered_items = {
        visible = true, -- when true, they will just be displayed differently than normal items
        hide_dotfiles = true,
        hide_gitignored = true,
        hide_hidden = true, -- only works on Windows for hidden files/directories
        hide_by_name = {
          --"node_modules"
        },
        hide_by_pattern = { -- uses glob style patterns
          --"*.meta",
          --"*/src/*/tsconfig.json",
        },
        always_show = { -- remains visible even if other settings would normally hide it
          '.config',
          --".gitignored",
        },
        never_show = { -- remains hidden even if visible is toggled to true, this overrides always_show
          --".DS_Store",
          --"thumbs.db"
        },
        never_show_by_pattern = { -- uses glob style patterns
          '.null-ls_*',
        },
      },
      follow_current_file = false,            -- This will find and focus the file in the active buffer every
      -- time the current file is changed while the tree is open.
      group_empty_dirs = false,               -- when true, empty folders will be grouped together
      hijack_netrw_behavior = 'open_default', -- netrw disabled, opening a directory opens neo-tree
      -- in whatever position is specified in window.position
      -- "open_current",  -- netrw disabled, opening a directory opens within the
      -- window like netrw would, regardless of window.position
      -- "disabled",    -- netrw left alone, neo-tree does not handle opening dirs
      use_libuv_file_watcher = false, -- This will use the OS level file watchers to detect changes
      -- instead of relying on nvim autocmd events.
      window = {
        mappings = {
          ['<bs>'] = 'navigate_up',
          ['.'] = 'set_root',
          ['H'] = 'toggle_hidden',
          ['/'] = 'noop',
          ['D'] = 'fuzzy_finder_directory',
          ['f'] = 'filter_on_submit',
          ['<c-x>'] = 'clear_filter',
          ['[g'] = 'prev_git_modified',
          [']g'] = 'next_git_modified',
        },
      },
    },
    buffers = {
      follow_current_file = true, -- This will find and focus the file in the active buffer every
      -- time the current file is changed while the tree is open.
      group_empty_dirs = true,    -- when true, empty folders will be grouped together
      show_unloaded = true,
      window = {
        mappings = {
          ['bd'] = 'buffer_delete',
          ['<bs>'] = 'navigate_up',
          ['.'] = 'set_root',
        },
      },
    },
    git_status = {
      window = {
        position = 'left',
        mappings = {
          ['A']  = 'git_add_all',
          ['gu'] = 'git_unstage_file',
          ['ga'] = 'git_add_file',
          ['gr'] = 'git_revert_file',
          ['gc'] = 'git_commit',
          ['gp'] = 'git_push',
          ['gg'] = 'git_commit_and_push',
        },
      },
    },
  })
end

return M